25005525222287 has 2 divisors, whose sum is σ = 25005525222288. Its totient is φ = 25005525222286.

The previous prime is 25005525222263. The next prime is 25005525222361. The reversal of 25005525222287 is 78222252550052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25005525222287 - 2²⁸ = 25005256786831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25005525222247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502762611143 + 12502762611144.

It is an arithmetic number, because the mean of its divisors is an integer number (12502762611144).

Almost surely, 2^{25005525222287} is an apocalyptic number.

25005525222287 is a deficient number, since it is larger than the sum of its proper divisors (1).

25005525222287 is an equidigital number, since it uses as much as digits as its factorization.

25005525222287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240000, while the sum is 47.

The spelling of 25005525222287 in words is "twenty-five trillion, five billion, five hundred twenty-five million, two hundred twenty-two thousand, two hundred eighty-seven".